Finding the Fourth Proportional to 1,665,636.11, 2,298,585.28 and 901,689.67
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Solution
The fourth proportional to 1,665,636.11, 2,298,585.28 and 901,689.67 is: 1,244,335.77
Step by Step Solution
- Step 1: Write the proportion equation
1,665,636.11 : 2,298,585.28 = 901,689.67 : x - Step 2: Convert to fraction form
1,665,636.11/2,298,585.28 = 901,689.67/x - Step 3: Cross multiply
1,665,636.11x = 2,298,585.28 × 901,689.67 - Step 4: Simplify right side
1,665,636.11x = 2,072,610,591,097.13 - Step 5: Solve for x
x = 2,072,610,591,097.13/1,665,636.11 - Step 6: Final answer
x = 1,244,335.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.